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Solved: Various errors in the syslog (Cannot enable. Maybe the USB cable is bad?)
#1
Bug 
Hello together,

today I accidentally found various errors in the syslog. Apparently the error has been with me since the first installation. I reinstalled the image as a test, but exactly the same problem after the first boot.

Quote:Nov  7 19:05:25 kernel: [34878.342065] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
Nov  7 19:05:29 kernel: [34882.882139] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
Nov  7 19:05:33 kernel: [34887.222199] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
Nov  7 19:05:33 kernel: [34887.222568] usb usb2-port1: attempt power cycle
Nov  7 19:05:38 kernel: [34891.902277] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
Nov  7 19:05:42 kernel: [34896.242410] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
Nov  7 19:05:42 kernel: [34896.242781] usb usb2-port1: unable to enumerate USB device
Nov  7 19:05:47 kernel: [34900.562401] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
Nov  7 19:05:51 kernel: [34905.102474] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
Nov  7 19:05:56 kernel: [34909.442542] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
Nov  7 19:05:56 kernel: [34909.442914] usb usb2-port1: attempt power cycle
Nov  7 19:06:00 kernel: [34914.122549] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
Nov  7 19:06:05 kernel: [34918.462679] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
Nov  7 19:06:05 kernel: [34918.463047] usb usb2-port1: unable to enumerate USB device
Nov  7 19:06:09 kernel: [34922.782749] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
Nov  7 19:06:13 kernel: [34927.322811] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
Nov  7 19:06:18 kernel: [34931.662886] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
Nov  7 19:06:18 kernel: [34931.663248] usb usb2-port1: attempt power cycle
Nov  7 19:06:23 kernel: [34936.352953] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
Nov  7 19:06:27 kernel: [34940.693018] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
Nov  7 19:06:27 kernel: [34940.693389] usb usb2-port1: unable to enumerate USB device
Nov  7 19:06:31 kernel: [34945.013092] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
Nov  7 19:06:36 kernel: [34949.553149] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
Nov  7 19:06:40 kernel: [34953.903242] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
Nov  7 19:06:40 kernel: [34953.903615] usb usb2-port1: attempt power cycle
Nov  7 19:06:45 kernel: [34958.583276] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
Nov  7 19:06:49 kernel: [34962.943369] usb usb2-port1: Cannot enable. Maybe the USB cable is bad?
Nov  7 19:06:49 kernel: [34962.943567] usb usb2-port1: unable to enumerate USB device

Apparently the kernel cannot activate a USB port. I didn't notice, because I don't currently have a USB device connected to the Raspberry.
The messages appear every second throughout the day since first installation.

Raspi: Version 4 Rev. 1.1
Kernel: Linux 5.4.51-v7l+ armv7l
Moode Release: Last Release 6.7.1


lsusb output:

Quote:/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/1p, 480M
   |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M

Does any of you have the same problem, or can you look in your syslog?
On the Internet I often find the recommendation to switch to a more recent kernel version. Sometimes the integrated USB hub was also defective.


Thanks for your help.
Best regards
Patrick
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Messages In This Thread
Various errors in the syslog (Cannot enable. Maybe the USB cable is bad?) - by PatiTati - 11-07-2020, 06:22 PM

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